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Massachusetts income tax
A flat 5%, plus a 4% "millionaire" surtax on income over $1,053,750 (2024, indexed yearly). Simplified — ignores deductions.
On $150,000 of income · 2024 · Single. Marginal brackets — each slice of income is taxed at its own rate.
| Bracket | Rate | Your income | Tax |
| $0 – $1,053,750 | 5.00% | $150,000 | $7,500 |
| $1,053,750 and up | 9.00% | — | — |
| Total | $7,500 | ||